A keyset or chorded keyboard is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a "chord" on a piano. The large numb
An ergonomic chorded keyboard without the board is known as a keyer.
Stenograph first model, Miles Bartholomew, 1879
Hall-Braille writer, model 1, 1892
The Microwriter is a hand-held portable word-processor with a chording keyboard. First demonstrated in 1978, it was invented by UK-based, US-born film director Cy Endfield and his partner Chris Rainey
Chorded keyboard
…Practical devices generally use simpler chords for common characters (e.g., Baudot), or may have ways to make it easier to remember the chords (e.g., Microwriter), but the same principles apply. These portable devices first became popular with the wearable computer movement in the 1980s. Thad Starner from Georgia…
A MicroWriter, MicroWriter AgendA, and its modern successor the CyKey.
Microwriter Sales Brochure
Microwriter Specifications Overview & Ordering Information